Printer script autocorrect

ABSTRACT

A method of processing printer scripts is disclosed. A processor receives the printer script. For each original line of the printer script the process analyzes the line of script to find errors. If no error is found in the script, the script is transferred to a print engine for printing. If at least one error is found in any line of printer script: the script is modified to correct the printer script error and produce a modified line of printer script. A comparison of the original line of printer script with the modified line of printer script is generated and printed, displayed or saved to a storage device.

FIELD OF THE INVENTION

The present invention relates to an automated printer script analysis and correction tool.

BACKGROUND

Many customer issues fielded by printer manufacturers are related to the printer hanging up or the printer not printing correctly (e.g., missing character, barcodes or fonts used are different to what is expected). Most such issues are due to invalid syntax in an input command script such as invalid characters, extra characters in the commands, missing characters and sometimes unusual combinations of commands that cause the printer to not behave as expected.

SUMMARY

Accordingly, in one aspect, the present invention embraces a printer tool and method of processing printer scripts.

In one example embodiment, a method of processing printer scripts involves: with a processor, receiving a printer script comprising a plurality of original lines of script; with the processor, receiving an input that designates one of a plurality of printer script languages in which the printer script is written, analyzing the input using an analysis tool, where the analysis tool is selected to provide analysis of the script language corresponding to the designated printer script language of the printer script; for each original line of the printer script, analyzing, with the processor, the original line of printer script to find errors in the original line of printer script. If no error is found in any original line of printer script, the process involves transferring the printer script to a print engine for printing. If at least one error is found in any line of printer script: then the process involves modifying the original line of printer script to correct the printer script error and produce a modified line of printer script, generating a comparison of the original line of printer script with the modified line of printer script, saving the comparison to a storage device, and presenting the comparison to a user by displaying the comparison on a display or printing the comparison to a print medium, modifying the original printer script to correct errors and produce a modified printer script; and transferring the modified printer script to the print engine for printing.

In accord with certain example embodiments, the method further involves receiving a user input that determines whether the processor is to correct all errors identified in the original script or the processor is to correct errors one line at a time with user confirmation for each modification to a line of printer script.

In another example embodiment, a method of processing printer scripts, involves: with a processor, receiving a printer script comprising a plurality of original lines of script; for each original line of the printer script, analyzing, with the processor, the original line of printer script to find errors in the original line of printer script; if no error is found in any original line of printer script, transferring the printer script to a print engine for printing; and if at least one error is found in any line of printer script: modifying the original line of printer script to correct the printer script error and produce a modified line of printer script, generating a comparison of the original line of printer script with the modified line of printer script, and saving the comparison to a storage device.

In accord with certain example embodiments, the method further involves presenting the comparison to a user by displaying the comparison on a display or printing the comparison to a print medium.

In accord with certain example embodiments, the method further involves the processor receiving an input that designates one of a plurality of printer script languages in which the printer script is written, and analyzing the printer script using an analysis tool, where the analysis tool is selected to analyze the designated printer script language.

In accord with certain example embodiments, the method further involves receiving a user input that determines whether the processor is to correct all errors identified in the original script, or the processor is to correct errors one line of printer script at a time. In accord with certain example embodiments, if the processor is to correct errors one line of printer script at a time, each modification to a line of printer script requires receiving a user confirmation input for each modification to a line of printer script. In accord with certain example embodiments, the method further involves modifying the original printer script to correct errors and produce a modified printer script. In accord with certain example embodiments, the method further involves transferring the modified printer script to the print engine for printing.

In accord with certain example embodiments, the method further involves modifying the original printer script to correct errors and produce a modified printer script; and transferring the modified printer script to the print engine for printing. In accord with certain example embodiments the print engine prints to a rolled print medium. In accord with certain embodiments, the method further involves displaying the modified print script along with the original printer script, whereby the user may compare and understand errors in the original printer script.

Another example method of processing printer scripts involves: with a processor, receiving a printer script comprising a plurality of original lines of script; with the processor, receiving an input that designates one of a plurality of printer script languages in which the printer script is written, and analyzing the printer script using an analysis tool, where the analysis tool is selected to provide analysis of the script language corresponding to the designated printer script language of the printer script; for each original line of the printer script, analyzing, with the processor, the original line of printer script to find errors in the original line of printer script; if no error is found in any original line of printer script, transferring the printer script to a print engine for printing; and if at least one error is found in any line of printer script: modifying the original line of printer script to correct the printer script error and produce a modified line of printer script.

In accord with certain example embodiments, the method further involves generating a comparison of the original line of printer script with the modified line of printer script and presenting the comparison to a user by displaying the comparison on a display or printing the comparison to a print medium. In accord with certain example embodiments, the method further involves receiving a user input that determines whether the processor is to correct all errors identified in the original script or the processor is to correct errors one line at a time with user confirmation for each modification to a line of printer script. In accord with certain example embodiments, if the processor is to correct errors one line of printer script at a time, each modification to a line of printer script requires receiving a user confirmation input for each modification to a line of printer script. In accord with certain example embodiments, the method further involves modifying the original printer script to correct errors and produce a modified printer script; and transferring the modified printer script to the print engine for printing. In accord with certain example embodiments, the print engine prints to a rolled print medium.

In accord with certain embodiments, the process further involves displaying the modified print script along with the original printer script, so that the user may compare and understand errors in the original printer script.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a block diagram of an example printer consistent with certain embodiments of the present invention.

FIG. 2 is a flow chart of an example process consistent with certain embodiments of the present invention.

DETAILED DESCRIPTION

The present invention embraces a printer script analysis and correction tool. An automatic script analysis and correction tool is an application installed on a printer. The tool checks for command errors that appear in an input script file and correct the syntax errors before sending the script file to the printer. The tool provides an option to choose the language of script, so that it knows what commands to correct. After the analysis, the tool can compare original and modified scripts for analysis.

With the help of the presently disclosed script analyzer and fixer, it may be possible to do a quick analysis and do a quick fix or autocorrect of a customer's input script. The present tool is in the form of application which can be installed on pc for use by customer service technicians or can be a feature of the printer itself that permits the user to do a script check for command issues before sending the script to the printer. In addition, the tool provides for displaying the corrected print script along with the original print script for the user to compare and understand the errors in the script file.

In an example embodiment of a method of processing printer scripts, a processor receives the printer script. For each original line of the printer script the process analyzes the line of script to find errors. If no error is found in the script, the script is transferred to a print engine for printing. If at least one error is found in any line of printer script: the script is modified to correct the printer script error and produce a modified line of printer script. A comparison of the original line of printer script with the modified line of printer script is generated and printed, displayed or saved to a storage device. The lines of script can represent printer commands, media advance commands, data, format codes, etc.

In an example embodiment, a system such as the example printer of FIG. 1 is used. In this example printer, a printer mechanism 20 (for example, a thermal printer mechanism) is driven by a printer engine 24. In certain example embodiments, the printer mechanism 20 can operate to print on rolled thermal printer paper or similar medium 28.

In the present example, a script analysis and correction tool resides in a memory 32 and is accessed and run by a printer processor 36 which may also utilize a storage device 40 to store information and a display 44 that displays information.

The printer processor 36 receives a script as an input at 48 and carries out an analysis and correction process. This process first determines in what language the script input 48 is written and then selects an analysis and correction tool from a plurality of such tools stored in memory 32 as tools 50, 51 through 52 so that the tool being used corresponds to the language in which the input script 48 is written. The selected tool is then used to analyze the input script 48 and make corrections, such as syntax corrections. The corrected script, or indications of what corrections are needed may then be displayed on display 44 and/or stored in storage 40. The corrected script can also then be run on printer processor 36 which instructs printer engine 24 to execute the print job on printer mechanism 20.

FIG. 2 depicts an example process 100 that can be used to carry out a process consistent with the present teachings starting at 104. At 108, the user selects a printer script language that is being used for the input script from a user interface. In other embodiments, the process can determine which language is used from an analysis of the input script. At 112, the appropriate analysis tool (based upon the script language chosen) is loaded and run. The input script for the printer is received by the processor at 116. At 120, for each line in the input script, the analysis tool does an error analysis. If not errors are found at 124, the script may be printed at 128 and/or the script can be sent to the printer engine for printing at 132 and the process ends at 136.

If an error is identified in one or more lines of the script at 124, the user can determine whether to fix one, all or none of the errors at 140 as determined by user input. If no errors are to be corrected at 140, the process ends at 136. In certain example embodiments, the script can be printed with notations of the errors before the ending at 136. In addition, in certain embodiments, the tool provides for displaying the corrected print script along with the original print script for the user to compare and understand the errors in the script file.

If the user chooses to correct errors one at a time, the process proceeds to 144 where the first line of script with an error is modified to a corrected form. The user can verify that he or she wishes to accept the change at 144 before proceeding to the next line at 148 which increments the script to the next line having an error. Once the last error has been corrected at 152 the process may create a comparison of the original script with the modified script. This comparison can then be saved, printed or displayed at 156. The user can then opt to send the corrected script as a print job to the printer engine at 128 and the process ends at 136.

If at 140, the user opts to have the input script modified by correction of all errors, the process proceeds to 160 where each line of the script that has errors is modified to have a valid format. The process then proceeds to 152 where the comparison can be generated, 156 where the comparison is printed/saved and/or displayed. The corrected script can be sent to the print engine for printing at 128 before ending at 136. In addition, in certain embodiments, the tool provides for displaying the corrected print script along with the original print script for the user to compare and understand the errors in the script file.

In accord with certain example embodiments, the process described is carried out in a printer processor forming a part of a printer device. But those skilled in the art will appreciate upon consideration of the present teachings that a suitable process can be extracted that will carry out the script analysis on a separate processor or computer system.

The tool as described can be installed and run at a pc in a form of application or can be an additional feature in printer. Once the tool runs, it can have an option to choose which language is used so that it will know what commands to correct. Once a script is sent for checking, every single command is scanned from top to bottom. The tool will prompt for fixing one command or fixing all invalid commands and then later have the option to compare both previous and modified script for analysis of what went wrong on the previous script. Lastly, the comparison and/or the script can be saved to storage or printed to the printer.

To supplement the present disclosure, this application incorporates entirely by reference the following commonly assigned patents, patent application publications, and patent applications:

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In the specification and/or figures, typical embodiments of the invention have been disclosed. The present invention is not limited to such exemplary embodiments. The use of the term “and/or” includes any and all combinations of one or more of the associated listed items. The figures are schematic representations and so are not necessarily drawn to scale. Unless otherwise noted, specific terms have been used in a generic and descriptive sense and not for purposes of limitation. 

1.-19. (canceled)
 20. A method of processing printer scripts, comprising: sequentially analyzing, by a processor, one or more lines of a printer script to identify a syntax error in the one or more lines of the printer script that instructs a print engine to execute a print job via a printer mechanism; receiving, by the processor, an input with instructions to correct the syntax error identified in the one or more lines of the printer script that instructs the print engine to execute the print job via the printer mechanism; modifying, by the processor, the one or more lines of the printer script, based on the received input to correct the syntax error, to generate a modified printer script to instruct the print engine to execute a modified print job via the printer mechanism; and executing, by the print engine, the modified print job via the printer mechanism.
 21. The method according to claim 20, further comprising: receiving, with the processor, the printer script comprising the one or more lines to instruct the print engine to execute the print job via the printer mechanism, wherein the one or more lines of the received printer script are sequentially analyzed.
 22. The method according to claim 20, further comprising: receiving, with the processor, a first input selecting a printer script language for the printer script; and designating, with the processor, the selected print script language for the printer script based on the received input.
 23. The method according to claim 22, further comprising: analyzing the printer script using an analysis tool, wherein the analysis tool is selected to analyze the selected printer script language.
 24. The method according to claim 20, wherein modifying the one or more lines of the printer script further comprising: generating a comparison of the one or more lines of the printer script with the modified one or more lines of the modified printer script; and presenting the comparison to a user by displaying the comparison on a display or printing the comparison to a print medium.
 25. The method according to claim 20, further comprising: receiving a user input confirming whether or not the modification to one or more lines of the printer script is acceptable to the user.
 26. The method according to claim 20, wherein receiving, an input with instructions to correct the syntax error further comprising: receiving a user input that determines whether the processor is to correct a plurality of syntax errors identified in the printer script at a time, or the processor is to correct the plurality of syntax errors in one line of the one or more lines of the original printer script at a time.
 27. The method according to claim 20, wherein the print engine prints to a rolled print medium.
 28. An apparatus, comprising: a processor configured to: receive a printer script comprising one or more lines to instruct a print engine to execute a print job via a printer mechanism; sequentially analyze one or more lines of the printer script to identify syntax errors in the one or more lines of the printer script that instructs the print engine to execute the print job via the printer mechanism; receive an input with instructions to correct a syntax error identified in the one or more lines of the printer script that instructs the print engine to execute the print job via the printer mechanism; modify the one or more lines of the printer script, based on the received input to correct the syntax error, to generate a modified printer script to instruct the print engine to execute a modified print job via the printer mechanism; and transfer the modified printer script to the print engine for executing the modified print job via the printer mechanism.
 29. The apparatus according to claim 28, wherein the processor is further configured to: receive a first input selecting a printer script language for the printer script; and designate the selected print script language for the printer script based on the received input, wherein the one or more lines of the received printer script are sequentially analyzed.
 30. The apparatus according to claim 29, wherein the processor is further configured to: analyze the printer script using an analysis tool, wherein the analysis tool is selected to analyze the selected printer script language.
 31. The apparatus according to claim 28, wherein the processor is further configured to: generate a comparison of the one or more lines of the printer script with the modified one or more lines of the modified printer script.
 32. The apparatus according to claim 28, wherein the processor is further configured to: receive a user input confirming whether or not the modification to the one or more lines of the printer script is acceptable to the user.
 33. The apparatus according to claim 28, wherein the processor is further configured to: receive a user input that determines whether the processor is to correct a plurality of syntax errors identified in the printer script at a time, or the processor is to correct the plurality of syntax errors in one line of the one or more lines of the original printer script at a time.
 34. The apparatus according to claim 28, wherein the print engine prints to a rolled print medium.
 35. A non-transitory computer readable medium having stored thereon, instructions that when executed by a processor, cause the processor of an apparatus to execute the steps comprising: sequentially analyzing one or more lines of a printer script to identify a syntax error in the one or more lines of the printer script that instructs a print engine to execute a print job via a printer mechanism; receiving an input with instructions to correct the syntax error identified in the one or more lines of the printer script that instructs the print engine to execute the print job via the printer mechanism; modifying the one or more lines of the printer script, based on the received input to correct the syntax error, to generate a modified printer script to instruct the print engine to execute a modified print job via the printer mechanism; and transferring the modified printer script to the print engine for executing the modified print job via the printer mechanism.
 36. The non-transitory computer readable medium according to claim 35, wherein modifying the one or more lines of the printer script further comprising: generating a comparison of the one or more lines of the printer script with the modified one or more lines of the modified printer script; and presenting the comparison to a user by displaying the comparison on a display or printing the comparison to a print medium.
 37. The non-transitory computer readable medium according to claim 35, further comprising: receiving a user input confirming whether or not the modification to one or more lines of the printer script is acceptable to the user.
 38. The non-transitory computer readable medium according to claim 35, wherein receiving, an input with instructions to correct the syntax error further comprising: receiving a user input that determines whether the processor is to correct a plurality of syntax errors identified in the printer script at a time, or the processor is to correct the plurality of syntax errors in one line of the one or more lines of the original printer script at a time.
 39. The non-transitory computer readable medium according to claim 35, wherein the print engine prints to a rolled print medium. 